Serving 1,197 students in grades 6-12, D'evelyn Junior/senior High School ranks in the top 5% of all schools in Colorado for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 67% (which is higher than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 81% (which is higher than the Colorado state average of 45%).
The student:teacher ratio of 21:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 37% of the student body (majority Asian and Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Stats (2025)
- Grades: 6-12
- Enrollment: 1,197 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 37%
- Graduation Rate: ≥95% (Top 5% in CO)
- Overall Testing Rank: Top 5%
- Math Proficiency: 67% (Top 5%)
- Reading Proficiency: 81% (Top 5%)
- Science Proficiency: 73% (Top 1%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
D'evelyn Junior/senior High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
D'evelyn Junior/senior High School's student population of 1,197 students has grown by 17% over five school years.
The teacher population of 56 teachers has grown by 14% over five school years.
Grades Offered
Grades 6-12
Total Students
1,197 students
Gender %
Total Classroom Teachers
56 teachers
Students by Grade
School Calendar
School Rankings
D'evelyn Junior/senior High School ranks within the top 5% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of D'evelyn Junior/senior High School is 0.56, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#37 out of 1779 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
67%
32%
Reading/Language Arts Test Scores (% Proficient)
81%
45%
Science Test Scores (% Proficient)
(20-21)73%
29%
Student : Teacher Ratio
21:1
15:1
American Indian
n/a
1%
Asian
16%
3%
Hispanic
15%
36%
Black
1%
5%
White
63%
50%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
≥95%
82%
Eligible for Free Lunch
10%
39%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is D'evelyn Junior/senior High School's ranking?
D'evelyn Junior/senior High School is ranked #37 out of 1,779 schools, which ranks it among the top 5% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
67% of students have achieved math proficiency (compared to the 32% CO state average), while 81% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of D'evelyn Junior/senior High School?
The graduation rate of D'evelyn Junior/senior High School is 95%, which is higher than the Colorado state average of 82%.
How many students attend D'evelyn Junior/senior High School?
1,197 students attend D'evelyn Junior/senior High School.
What is the racial composition of the student body?
63% of D'evelyn Junior/senior High School students are White, 16% of students are Asian, 15% of students are Hispanic, 5% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of D'evelyn Junior/senior High School?
D'evelyn Junior/senior High School has a student ration of 21:1, which is higher than the Colorado state average of 15:1.
What grades does D'evelyn Junior/senior High School offer ?
D'evelyn Junior/senior High School offers enrollment in grades 6-12
What school district is D'evelyn Junior/senior High School part of?
D'evelyn Junior/senior High School is part of Jefferson County School District No. R-1.
School Reviews
5 2/3/2021
My daughter graduated last year and was definitely college ready. She was accepted into a very highly selective college and got straight As her first semester. She is actually tutoring her classmates in college. This speaks volumes of how well this school prepares kids who put in the time. I will admit, we did not see her much in high school because she was studying all the time. Anyone who says that they will get the same education at their neighborhood high school taking honors and AP classes is incorrect. My son is at a neighborhood school taking those classes, and it is not the same rigor as D''Evelyn.
5 11/2/2018
As a parent, I researched for the best possible Jr/Sr High School for my kids and I unequivocally found it in D'Evelyn. While their test scores are unbelievable (top ACT/SAT for 18 years running in CO), what is more impressive is their curriculum. They believe all students can succeed in their Liberal Arts curriculum and the staff gives the students what they need to do so (students must, of course, be willing to do the work). In today's educational world where our students are guinea pigs for every new fad, D'Evelyn has stayed true to its philosophy for 25 years. They teach the students knowledge and allow the students to come to their own conclusions, avoiding the normal political bias of today. The staff is carefully selected for those who truly believe in what they are doing at the school and they are required to have expertise in their subject (i.e. Chemistry teachers actually have Chemistry degrees). Because of these policies, they have the best staff I have seen and the students are reaping the benefits. Additionally, because all staff are committed to the philosophy of the school, all are rowing in the same direction, allowing the school to continue to improve in any way that is necessary. There is not a school in the area that I would have rather sent my kids to. Enrollment is based on computerized lottery (no testing) and the best chance to get in is in their first year of middle school (though they do enroll through 9th grad when spots become available). The Jr - Sr High platform also makes it so kids do not have to go through an additional transition during their hardest years. The Sr. High students act as mentors for the middle schoolers, which is also a large benefit. Hopefully, you will get the golden ticket like our family did!
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